CN216794015U - Shielding connector, cable assembly and connector - Google Patents

Shielding connector, cable assembly and connector Download PDF

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Publication number
CN216794015U
CN216794015U CN202220244747.1U CN202220244747U CN216794015U CN 216794015 U CN216794015 U CN 216794015U CN 202220244747 U CN202220244747 U CN 202220244747U CN 216794015 U CN216794015 U CN 216794015U
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China
Prior art keywords
cable
connector
cylindrical
housing
shielding
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Active
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CN202220244747.1U
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Chinese (zh)
Inventor
马飞松
姜开轩
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Tyco Electronics Shanghai Co Ltd
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Tyco Electronics Shanghai Co Ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The utility model discloses a shield connecting member, a cable assembly and a connector. The cable assembly includes: a cable including a conductor core, an inner insulating layer provided so as to cover the conductor core, and a shield layer provided so as to cover the inner insulating layer; a terminal electrically connected to the conductor core; and the shielding connecting piece is sleeved on the inner insulating layer of the cable. The shielding connecting piece is electrically connected with the shielding layer of the cable at one end, and the other end of the shielding connecting piece is suitable for being in contact with and electrically connected with the inner wall of a cable through hole on a shell of the electrical equipment. In the utility model, the casing can be installed on the shell of electrical equipment in advance, then with cable assembly integrally cartridge to the casing again, this makes the installation operation of connector very simple and convenient.

Description

Shielding connector, cable assembly and connector
Technical Field
The present invention relates to a shield connection member, a cable assembly including the shield connection member, and a connector including the cable assembly.
Background
In the prior art, a connector for mounting to a housing of an electrical apparatus generally includes a housing, a shielding sleeve, a cable, and a terminal. During assembly, the cable is inserted into the housing, the terminal and the shielding sleeve are pressed, and the housing is mounted on the housing of the electrical device. The whole installation process is very complicated and inconvenient.
Furthermore, in the prior art, the shielding case of the connector cannot be directly electrically connected with the housing of the electrical device, and a spring piece is required to be arranged between the shielding case of the connector and the housing of the electrical device, and the spring piece is pressed between the shielding case of the connector and the housing of the electrical device to realize the electrical connection between the shielding case of the connector and the housing of the electrical device, which further results in the complicated structure of the connector and the difficulty in installation.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to solve at least one of the above problems and disadvantages in the prior art.
According to one aspect of the present invention, a shield connector is provided. The shielding connecting piece is suitable for being sleeved on an inner insulating layer of the cable and is used for electrically connecting the shielding layer of the cable to the shell of the electrical equipment; one end of the shielding connecting piece is suitable for being electrically connected with the shielding layer of the cable, and the other end of the shielding connecting piece is suitable for being in contact with and electrically connected with the inner wall of the cable through hole in the shell of the electrical equipment.
According to an exemplary embodiment of the utility model, the shielding connection comprises a first cylindrical end adapted to be inserted into the cable through hole, a circumferential outer surface of the first cylindrical end being a shielding contact surface.
According to another exemplary embodiment of the present invention, a resilient cantilever is formed on the first cylindrical end, the resilient cantilever having a contact protrusion adapted to electrically contact an inner wall of the cable through hole.
According to another exemplary embodiment of the present invention, the contact protrusion has an electrical contact area adapted to electrically contact an inner wall of the cable through hole, the electrical contact area being a point contact area, a line contact area or a surface contact area.
According to another exemplary embodiment of the present invention, the electrical contact area of the contact protrusion is a line contact area or a surface contact area, and the electrical contact area extends in an axial direction and/or a circumferential direction of the shield connection member.
According to another exemplary embodiment of the present invention, a plurality of elastic cantilevers are formed on the first cylindrical end, the plurality of elastic cantilevers being evenly spaced around a circumference of the shield connection member; a plurality of openings are formed in a wall portion of the first cylindrical end, and the plurality of resilient cantilevers are suspended in the plurality of openings, respectively.
According to another exemplary embodiment of the present invention, the shield connector further comprises a second barrel end connected to the first barrel end, the shield of the cable being electrically connected to the second barrel end; the diameter of the first cylindrical end is larger than that of the second cylindrical end and is coaxially arranged with the second cylindrical end.
According to another exemplary embodiment of the present invention, the elastic cantilever extends a predetermined length in an axial direction of the shield connection member, and a free end of the elastic cantilever is close to the second cylindrical end.
According to another exemplary embodiment of the present invention, the shield connecting member is an integrally formed member.
According to another aspect of the present invention, there is provided a cable assembly including: a cable including a conductor core, an inner insulating layer provided so as to cover the conductor core, and a shield layer provided so as to cover the inner insulating layer; a terminal electrically connected to the conductor core; and the shielding connecting piece is sleeved on the inner insulating layer of the cable. The shielding connecting piece is electrically connected with the shielding layer of the cable at one end, and the other end of the shielding connecting piece is suitable for being in contact with and electrically connected with the inner wall of a cable through hole on a shell of the electrical equipment.
According to an exemplary embodiment of the utility model, the cable assembly further comprises: and the locking sleeve is sleeved on the outer insulating layer of the cable and used for locking the cable assembly onto the shell. The lock catch sleeve comprises: a first cylindrical portion having a latching feature formed thereon adapted to latch onto the housing; and a second cylindrical portion connected to an end wall of one end of the first cylindrical portion, the first cylindrical portion having a larger diameter than the second cylindrical portion and being disposed coaxially with the second cylindrical portion.
According to another exemplary embodiment of the utility model, the shackle sleeve further comprises a plurality of reinforcing ribs connected between the end wall of the first cylindrical portion and the outer circumferential wall of the second cylindrical portion and evenly spaced around the circumference of the shackle sleeve.
According to another exemplary embodiment of the present invention, the cable assembly further comprises: a gland sleeved over the outer insulating layer of the cable and received in the first barrel, the cable adapted to pass through a cable receptacle on the housing, the gland adapted to be inserted into the cable receptacle and adapted to be radially compressed between the housing and the cable to seal a mating interface therebetween.
According to another exemplary embodiment of the present invention, the cable assembly further comprises: and the positioning sleeve is arranged between the shielding connecting piece and the sealing sleeve and sleeved on the outer insulating layer of the cable. And a positioning flange is formed at one end of the positioning sleeve and is suitable for being positioned on a positioning step in the cable jack of the shell, and two ends of the sealing sleeve are respectively abutted between the positioning flange of the positioning sleeve and the end wall of the locking sleeve.
According to another exemplary embodiment of the present invention, the other end of the positioning sleeve connects the shielding layer of the cable to one end of the shielding connection piece such that one end of the shielding connection piece is electrically connected to the shielding layer and fixed to the cable.
According to another exemplary embodiment of the present invention, the terminal includes: a barrel end that fits over and is crimped to a conductor core of the cable; and a flat end connected to the cylindrical end for electrical connection to an electrical connection part of the electrical apparatus.
According to another exemplary embodiment of the present invention, the cable assembly further comprises: and a heat shrinkage tube having one end heat-shrunk on the cylindrical end of the terminal and the other end heat-shrunk on the inner insulating layer of the cable.
According to another aspect of the present invention, there is provided a connector including: a housing formed with a cable insertion hole and adapted to be mounted to a housing of an electrical device; and the cable assembly is inserted into the cable jack of the shell in a single component mode in a pluggable mode at one time.
According to an exemplary embodiment of the utility model, the housing comprises: a base plate portion adapted to be fixed to a housing of an electrical apparatus; and a barrel connected to the base plate, the cable insertion hole penetrating the base plate and the barrel, and the barrel being latched to a latch cover of the cable assembly.
According to another exemplary embodiment of the present invention, the barrel portion of the housing is adapted to be inserted into the first barrel portion of the locking sleeve and a mating locking feature adapted to mate with the locking feature on the locking sleeve is formed on the barrel portion; the gland of the cable assembly is inserted into the barrel and is radially compressed between the inner wall of the barrel and the outer insulation of the cable.
According to another exemplary embodiment of the present invention, the housing includes a plurality of cylinder portions connected to the base plate portion, and the connector includes a plurality of cable assemblies respectively inserted into the plurality of cylinder portions.
According to another exemplary embodiment of the utility model, the connector further comprises: and the sealing ring is arranged on the base plate part of the shell and is suitable for being squeezed between the base plate part of the shell and the shell of the electrical equipment so as to seal a matching interface between the base plate part of the shell and the shell of the electrical equipment.
According to another exemplary embodiment of the present invention, a maximum outer diameter of the shield connector is smaller than an inner diameter of a cable receptacle on the housing to allow the shield connector to pass through the cable receptacle; the maximum outer diameter of the shield connector is smaller than the inner diameter of a cable through hole on a housing of the electrical device to allow the shield connector to be inserted into the cable through hole.
In each of the foregoing exemplary embodiments according to the present invention, the cable assembly can be integrally inserted into the housing, and thus, the housing can be previously installed to the casing of the electric device, and then the cable assembly is integrally inserted into the housing, which makes the installation operation of the connector very simple and convenient.
Further, in the foregoing respective exemplary embodiments of the present invention, the shield connecting member of the cable assembly can be in direct electrical contact with the housing of the electrical device without using the transition spring piece, and therefore, the structure and mounting operation of the connector are further simplified.
Further, in some of the foregoing exemplary embodiments of the utility model, the area where the shield connection member of the cable assembly electrically contacts the housing of the electrical device may be a plane contact area, so that electrical contact reliability may be improved and an electromagnetic shielding effect may be improved.
Other objects and advantages of the present invention will become apparent from the following description of the utility model which refers to the accompanying drawings, and may assist in a comprehensive understanding of the utility model.
Drawings
FIG. 1 shows an exploded schematic view of a connector according to an example embodiment of the utility model;
fig. 2 shows the connector of fig. 1, wherein the housing of the connector has been mounted to the housing of the electrical device;
FIG. 3 shows the connector of FIG. 2 with the cable assembly of the connector inserted into the cable receptacle of the housing;
FIG. 4 shows a perspective view of one cable assembly of the connector shown in FIG. 1;
FIG. 5 shows a longitudinal cross-sectional view of the connector shown in FIG. 4;
FIG. 6 shows a partial cross-sectional view of the connector shown in FIG. 3 mounted to the housing of an electrical device;
fig. 7 shows a perspective view of the shield connector of the cable assembly shown in fig. 4.
Detailed Description
The technical scheme of the utility model is further specifically described by the following embodiments and the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components. The following description of the embodiments of the utility model with reference to the drawings is intended to illustrate the general inventive concept of the present invention and should not be taken as limiting the utility model.
Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in schematic form in order to simplify the drawing.
According to one general technical concept of the present invention, a shield connection member is provided. The shielding connecting piece is suitable for being sleeved on an inner insulating layer of the cable and is used for electrically connecting the shielding layer of the cable to the shell of the electrical equipment; one end of the shielding connecting piece is suitable for being electrically connected with the shielding layer of the cable, and the other end of the shielding connecting piece is suitable for being in contact with and electrically connected with the inner wall of the cable through hole in the shell of the electrical equipment.
According to another general technical concept of the present invention, a cable assembly is provided. The cable assembly includes: a cable including a conductor core, an inner insulating layer provided so as to cover the conductor core, and a shield layer provided so as to cover the inner insulating layer; a terminal electrically connected to the conductor core; and the shielding connecting piece is sleeved on the inner insulating layer of the cable. The shielding connecting piece is electrically connected with the shielding layer of the cable at one end, and the other end of the shielding connecting piece is suitable for being in contact with and electrically connected with the inner wall of a cable through hole on a shell of the electrical equipment.
FIG. 1 shows an exploded schematic view of a connector according to an example embodiment of the utility model; fig. 2 shows the connector of fig. 1, wherein the housing 200 of the connector has been mounted to the housing 300 of the electrical device; fig. 3 shows the connector of fig. 2, wherein the cable assembly 100 of the connector has been inserted into the cable receptacle 201 of the housing 200.
As shown in fig. 1 to 3, in the illustrated embodiment, the connector mainly includes a cable assembly 100 and a housing 200. The housing 200 is formed with a cable jack 201 and is adapted to be mounted to a housing 300 of an electrical device. The cable assembly 100 is assembled as a single piece, adapted to be pluggable into the cable receptacle 201 of the housing 200 in a single piece at a time. Thus, in the illustrated embodiment, as shown in fig. 2, the housing 200 may be previously fixed to the casing 300 of the electrical device; the assembled cable assembly 100 is then inserted into the cable insertion hole 201 of the housing 200. This can simplify the mounting operation of the connector.
FIG. 4 shows a perspective view of one cable assembly 100 of the connector shown in FIG. 1;
FIG. 5 shows a longitudinal cross-sectional view of the connector shown in FIG. 4; fig. 6 shows a partial cross-sectional view of the connector shown in fig. 3 mounted to a housing 300 of an electrical device.
As shown in fig. 1 to 6, in the illustrated embodiment, the cable assembly 100 includes: cable 110 and shield connection 140. The cable 110 includes: a conductor core 111, an inner insulating layer 112 provided so as to cover the conductor core 111, a shield layer 113 provided so as to cover the inner insulating layer 112, and an outer insulating layer 114 provided so as to cover the shield layer 113.
As shown in fig. 1-6, in the illustrated embodiment, shield connector 140 is sleeved over inner insulating layer 112 of cable 110 for electrically connecting shield layer 113 of cable 110 to housing 300 of an electrical device. One end of the shield connector 140 is adapted to be electrically connected with the shield layer 113 of the cable 110, and the other end is adapted to be in contact with and electrically connected with an inner wall of the cable through-hole 301 on the housing 300 of the electrical device.
Fig. 7 shows a perspective view of the shield connector 140 of the cable assembly shown in fig. 4.
As shown in fig. 4 to 7, in the illustrated embodiment, the shield connector 140 includes a first cylindrical end 141 adapted to be inserted into the cable through-hole 301, and a circumferential outer surface of the first cylindrical end 141 is a shield contact surface. A resilient cantilever 143 is formed on the first barrel-shaped end 141, the resilient cantilever 143 having a contact protrusion 144 adapted to electrically contact the inner wall of the cable through-hole 301.
As shown in fig. 4 to 7, in the illustrated embodiment, the contact protrusion 144 on the shielding connection 140 has an electrical contact area 145 adapted to electrically contact an inner wall of the cable through hole 301 of the housing 300. In an exemplary embodiment of the present invention, the aforementioned electrical contact region 145 may be a point contact region, a line contact region, or a plane contact region.
As shown in fig. 4 to 7, in an exemplary embodiment of the present invention, in order to increase a contact area, the electrical contact region 145 of the aforementioned contact protrusion 144 may be a line contact region or a plane contact region, and the electrical contact region 145 may extend in an axial direction and/or a circumferential direction of the shield connection member 140.
As shown in fig. 4 to 7, in the illustrated embodiment, the contact protrusion 144 of the shield connector 140 has a spoon shape, and the electrical contact area 145 of the contact protrusion 144 has a substantially band shape having a predetermined width and length. However, the utility model is not limited to the illustrated embodiment, and the contact protrusion 144 and the electrical contact region 145 may have other suitable shapes.
As shown in fig. 4 to 7, in the illustrated embodiment, a plurality of elastic cantilevers 143 are formed on the first cylindrical end 141, and the plurality of elastic cantilevers 143 are evenly spaced around the circumferential direction of the shield connection member 140 and extend a predetermined length in the axial direction of the shield connection member 140. A plurality of openings 146 are formed in a wall portion of the first cylindrical end 141, and a plurality of elastic cantilevers 143 are suspended in the plurality of openings 146, respectively.
As shown in fig. 4-7, in the illustrated embodiment, shield connector 140 further includes a second barrel end 142 connected to first barrel end 141, and shield 113 of cable 110 is electrically connected to second barrel end 142. The first cylindrical end 141 has a larger diameter than the second cylindrical end 142 and is disposed coaxially with the second cylindrical end 142. In the illustrated embodiment, the resilient cantilever 143 extends in the axial direction of the shield connection 140, and the free end of the resilient cantilever 143 is proximate the second cylindrical end 142.
As shown in fig. 4 to 7, in the illustrated embodiment, the shield connecting member 140 is an integrally molded member. For example, the shield connection member 140 may be an integrally formed member stamped and formed from a single sheet of material.
As shown in fig. 1-7, in the illustrated embodiment, the cable assembly 100 further includes a latch cover 120. The locking sleeve 120 fits over the outer insulation layer 114 of the cable 110 for locking the cable assembly 100 to the housing 200.
As shown in fig. 1 to 7, in the illustrated embodiment, the locking sleeve 120 includes: a first cylindrical portion 121 and a second cylindrical portion 122. The first cylindrical portion 121 has formed thereon a latching feature 121a adapted to latch onto the housing 200. The second cylindrical portion 122 is connected to an end wall 123 of one end of the first cylindrical portion 121. The first cylindrical portion 121 has a larger diameter than the second cylindrical portion 122 and is disposed coaxially with the second cylindrical portion 122.
As shown in fig. 1 to 7, in the illustrated embodiment, the lock sleeve 120 further includes a plurality of reinforcing ribs 124, and the plurality of reinforcing ribs 124 are connected between the end wall 123 of the first cylindrical portion 121 and the outer circumferential wall of the second cylindrical portion 122 and are evenly spaced around the circumference of the lock sleeve 120.
As shown in fig. 1-7, in the illustrated embodiment, the cable assembly 100 further includes a boot seal 160. The boot seal 160 is fitted over the outer insulation layer 111 of the cable 110 and received in the first cylindrical portion 121 of the boot sleeve 120. The cable 110 passes through a cable receptacle 201 on the housing 200, and the boot seal 160 is inserted into the cable receptacle 201 and compressed radially between the housing 200 and the cable 110 to seal the mating interface therebetween.
As shown in fig. 1-7, in the illustrated embodiment, the cable assembly 100 further includes a positioning sleeve 150. A positioning sleeve 150 is disposed between shield connection 140 and boot seal 160 and is sleeved over outer insulation 111 of cable 110. One end of the positioning sleeve 150 is formed with a positioning flange 151, and the positioning flange 151 is adapted to be positioned on a positioning step in the cable insertion hole 201 of the housing 200. The sealing sleeve 160 abuts at both ends between the positioning flange 151 of the positioning sleeve 150 and the end wall 123 of the locking sleeve 120, respectively.
As shown in fig. 1 to 7, in the illustrated embodiment, the other end of the positioning sleeve 150 crimps the shielding layer 113 of the cable 110 on one end of the shielding connection 140 so that one end of the shielding connection 140 is electrically connected to the shielding layer 113 and fixed to the cable 110.
As shown in fig. 1-7, in the illustrated embodiment, the cable assembly 100 further includes terminals 130. One end of the terminal 130 is electrically connected to the conductor core 111 of the cable 110. In the illustrated embodiment, the terminal 130 includes a barrel end 131 and a flat end 132. The barrel end 131 is fitted over the conductor core 111 of the cable 110 and crimped to the conductor core 111. The flat end 132 is connected to the cylindrical end 131 for electrical connection to an electrical connection member (not shown, for example, a bus bar) of the electrical apparatus.
As shown in fig. 1-7, in the illustrated embodiment, the cable assembly 100 further includes a heat shrink tube 170. One end of the heat shrinkable tube 170 is fitted over the cylindrical end 131 of the terminal 130 and heat shrunk on the cylindrical end 131 of the terminal 130. The other end of the heat shrinkable tube 170 is fitted over the inner insulating layer 112 of the cable 110 and heat shrunk on the inner insulating layer 112 of the cable 110.
As shown in fig. 1 to 7, in the illustrated embodiment, the housing 200 of the connector includes: a substrate portion 210 and a cylindrical portion 220. The substrate portion 210 is adapted to be fixed to a housing 300 of the electrical apparatus, and in the illustrated embodiment, the substrate portion 210 is fixed to the housing 300 of the electrical apparatus by a plurality of screws 211. The cylindrical portion 220 is connected to the base plate portion 210 and is perpendicular to the base plate portion 210. The cable insertion hole 201 penetrates the base plate portion 210 and the barrel portion 220, and the barrel portion 220 is latched to the latch cover 120 of the cable assembly 100.
As shown in fig. 1-7, in the illustrated embodiment, the barrel 220 of the housing 200 is adapted to be inserted into the first barrel 121 of the locking sleeve 120, and a mating locking feature 221 adapted to mate with the locking feature 121a on the locking sleeve 120 is formed on the barrel 220. In the illustrated embodiment, one of the latching features 121a and the mating latching feature 221 may be a catch and the other may be a projection.
As shown in fig. 1-7, in the illustrated embodiment, the boot seal 160 of the cable assembly 100 is inserted into the barrel 220 and is radially compressed between the inner wall of the barrel 220 and the outer insulation 114 of the cable 110.
As shown in fig. 1 to 7, in the illustrated embodiment, the housing 200 includes a plurality of barrel portions 220 connected to the base plate portion 210, the connector includes a plurality of cable assemblies 100, and the plurality of cable assemblies 100 are respectively inserted into the plurality of barrel portions 220.
As shown in fig. 1-7, in the illustrated embodiment, the connector further includes a seal ring 202. The sealing ring 202 is disposed on the base plate portion 210 of the housing 200 and is adapted to be compressed between the base plate portion 210 of the housing 200 and the casing 300 of the electrical device to seal a mating interface therebetween.
As shown in fig. 1-7, in the illustrated embodiment, the maximum outer diameter of shield connector 140 is less than the inner diameter of cable receptacle 201 on housing 200. In this way, shield connector 140 may pass through cable receptacle 201 when the cable assembly is assembled to the housing.
As shown in fig. 1 to 7, in the illustrated embodiment, the maximum outer diameter of the shield connector 140 is smaller than the inner diameter of the cable through-hole 301 on the housing 300 of the electrical device to allow the shield connector 140 to be inserted into the cable through-hole 301. In this way, the size of the entire connector can be reduced.
It will be appreciated by those skilled in the art that the above described embodiments are exemplary and can be modified by those skilled in the art, and that the structures described in the various embodiments can be freely combined without structural or conceptual conflicts, and that such modifications are intended to fall within the scope of the present invention.
Although the present invention has been described in connection with the accompanying drawings, the embodiments disclosed in the drawings are intended to be illustrative of preferred embodiments of the present invention and should not be construed as limiting the utility model.
Although a few embodiments of the present general inventive concept have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.
It should be noted that the word "comprising" does not exclude other elements or steps, and the words "a" or "an" do not exclude a plurality. Furthermore, any reference signs in the claims shall not be construed as limiting the scope of the utility model.

Claims (23)

1. A shielded connector, comprising:
the shielding connecting piece is suitable for being sleeved on an inner insulating layer of the cable and is used for electrically connecting the shielding layer of the cable to the shell of the electrical equipment;
one end of the shielding connecting piece is suitable for being electrically connected with the shielding layer of the cable, and the other end of the shielding connecting piece is suitable for being in contact with and electrically connected with the inner wall of the cable through hole in the shell of the electrical equipment.
2. The shielded connector of claim 1, wherein:
the shield connector includes a first cylindrical end adapted to be inserted into the cable through-hole, a circumferential outer surface of the first cylindrical end being a shield contact surface.
3. The shielded connector of claim 2, wherein:
a resilient cantilever arm is formed on the first cylindrical end, the resilient cantilever arm having a contact protrusion adapted to make electrical contact with an inner wall of the cable through-hole.
4. The shielded connector of claim 3, wherein:
the contact protrusion has an electrical contact area adapted to electrically contact an inner wall of the cable through-hole, the electrical contact area being a point contact area, a line contact area or a surface contact area.
5. The shielded connector of claim 3, wherein:
the electrical contact area of the contact protrusion is a line contact area or a surface contact area, and the electrical contact area extends in the axial direction and/or the circumferential direction of the shield connection member.
6. The shielded connector of claim 3, wherein:
a plurality of elastic cantilevers are formed on the first cylindrical end and are uniformly distributed at intervals around the circumference of the shielding connecting piece;
a plurality of openings are formed in a wall portion of the first cylindrical end, and the plurality of resilient cantilevers are suspended in the plurality of openings, respectively.
7. The shielded connector of claim 3, wherein:
the shielding connecting piece further comprises a second cylindrical end connected with the first cylindrical end, and a shielding layer of the cable is electrically connected to the second cylindrical end;
the diameter of the first cylindrical end is larger than that of the second cylindrical end and is coaxially arranged with the second cylindrical end.
8. The shielded connector of claim 7, wherein:
the elastic cantilever extends along the axial direction of the shielding connecting piece for a preset length, and the free end of the elastic cantilever is close to the second cylindrical end.
9. The shielded connector of any one of claims 1 to 8, wherein: the shielding connecting piece is an integrated piece.
10. A cable assembly, comprising:
the cable comprises a conductor core, an inner insulating layer and a shielding layer, wherein the inner insulating layer is arranged to cover the conductor core, and the shielding layer is arranged to cover the inner insulating layer;
a terminal electrically connected to the conductor core; and
the shielded connector of any one of claims 1-9, being sleeved over an inner insulating layer of the cable,
one end of the shielding connecting piece is electrically connected with the shielding layer of the cable, the other end of the shielding connecting piece is suitable for being in contact with and electrically connected with the inner wall of a cable through hole on the shell of the electrical equipment,
the cable assembly is a unitary piece adapted to be single-piece insertable and removable into a cable receptacle on a housing of the connector at a time.
11. The cable assembly of claim 10, further comprising:
the locking sleeve is sleeved on the outer insulating layer of the cable and used for locking the cable assembly to the shell;
the lock catch sleeve comprises:
a first cylindrical portion having a latching feature formed thereon adapted to latch onto the housing; and
a second cylindrical portion connected to an end wall of one end of the first cylindrical portion,
the diameter of the first cylindrical part is larger than that of the second cylindrical part and is coaxially arranged with the second cylindrical part.
12. The cable assembly of claim 11, wherein:
the lock catch sleeve further comprises a plurality of reinforcing ribs, and the reinforcing ribs are connected between the end wall of the first cylindrical portion and the outer peripheral wall of the second cylindrical portion and are distributed around the lock catch sleeve in the circumferential direction at uniform intervals.
13. The cable assembly of claim 11, further comprising:
a gland sheathed on an outer insulating layer of the cable and accommodated in the first cylindrical portion,
the cable is adapted to pass through a cable receptacle on the housing, and the gland is adapted to be inserted into the cable receptacle and to be compressed radially between the housing and the cable to seal a mating interface therebetween.
14. The cable assembly of claim 13, further comprising:
a positioning sleeve arranged between the shielding connecting piece and the sealing sleeve and sleeved on the outer insulating layer of the cable,
one end of the positioning sleeve is formed with a positioning flange adapted to be positioned on a positioning step in a cable insertion hole of the housing,
and two ends of the sealing sleeve are respectively abutted between the positioning flange of the positioning sleeve and the end wall of the locking sleeve.
15. The cable assembly of claim 14, wherein:
the other end of the positioning sleeve joints the shielding layer of the cable on one end of the shielding connecting piece, so that one end of the shielding connecting piece is electrically connected with the shielding layer and is fixed on the cable.
16. The cable assembly of claim 10, wherein the terminal includes:
a barrel end that fits over and is crimped to a conductor core of the cable; and
and the flat end is connected with the cylindrical end and is used for being electrically connected to an electric connection component of the electric equipment.
17. The cable assembly of claim 16, further comprising:
and a heat shrinkage tube having one end heat-shrunk on the cylindrical end of the terminal and the other end heat-shrunk on the inner insulating layer of the cable.
18. A connector, comprising:
a housing formed with a cable insertion hole and adapted to be mounted to a housing of an electrical apparatus; and
the cable assembly of any one of claims 10-17,
the cable assembly is pluggable and insertable into the cable insertion hole of the shell in a single component manner at one time.
19. The connector of claim 18, wherein:
the housing includes:
a base plate portion adapted to be fixed to a housing of an electrical apparatus; and
a cylindrical body portion connected to the base plate portion,
the cable insertion hole penetrates through the base plate portion and the barrel portion, and the barrel portion is locked to a locking sleeve of the cable assembly.
20. The connector of claim 19, wherein:
the barrel portion of the housing is adapted to be inserted into the first barrel portion of the locking sleeve, and mating locking features adapted to mate with the locking features on the locking sleeve are formed on the barrel portion;
the gland of the cable assembly is inserted into the barrel and is radially compressed between the inner wall of the barrel and the outer insulation of the cable.
21. The connector of claim 19, wherein:
the housing includes a plurality of cylindrical portions connected to the base plate portion, and the connector includes a plurality of cable assemblies inserted into the plurality of cylindrical portions, respectively.
22. The connector of claim 19, further comprising:
and the sealing ring is arranged on the base plate part of the shell and is suitable for being squeezed between the base plate part of the shell and the shell of the electrical equipment so as to seal a matching interface between the base plate part of the shell and the shell of the electrical equipment.
23. The connector of claim 19, wherein:
the maximum outer diameter of the shield connector is smaller than the inner diameter of the cable jack on the shell so as to allow the shield connector to pass through the cable jack;
the maximum outer diameter of the shield connector is smaller than the inner diameter of a cable through hole on a housing of the electrical device to allow the shield connector to be inserted into the cable through hole.
CN202220244747.1U 2021-09-06 2022-01-29 Shielding connector, cable assembly and connector Active CN216794015U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2021221338140 2021-09-06
CN202122133814 2021-09-06

Publications (1)

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CN202220244757.5U Active CN216928964U (en) 2021-09-06 2022-01-29 Cable assembly for high-voltage connector and high-voltage connector
CN202220244747.1U Active CN216794015U (en) 2021-09-06 2022-01-29 Shielding connector, cable assembly and connector

Family Applications Before (1)

Application Number Title Priority Date Filing Date
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CN (2) CN216928964U (en)

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KR20230117047A (en) 2023-08-07
CN216928964U (en) 2022-07-08

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